Brain Game: Math Square #89

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Today's mentalfloss.com Brain Game: a brand new Monday Math Square. Good luck!

The nine white squares inside the main red grid should be filled with the digits 1 through 9. Each digit should appear only once in this main grid (the red square). Place the digits 1 through 9 in their correct spots so that the mathematical equations work both across and down.

Here is the SOLUTION.

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September 12, 2011 - 3:30am
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